{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Porphyria%2C+Erythropoietic",
    "query": {
      "condition": "Porphyria, Erythropoietic"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Porphyria%2C+Erythropoietic&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T06:19:30.615Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01422915",
      "title": "Sorbent Therapy of the Cutaneous Porphyrias",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Erythropoietic Protoporphyria"
      ],
      "interventions": [
        {
          "name": "Colestipol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "22 Years to 60 Years"
      },
      "enrollment_count": 4,
      "start_date": "2011-05",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2017-04-25",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01422915"
    },
    {
      "nct_id": "NCT00004330",
      "title": "Studies in Porphyria IV: Gonadotropin-Releasing Hormone (GnRH) Analogues for Prevention of Cyclic Attacks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Porphyria"
      ],
      "interventions": [
        {
          "name": "luteinizing hormone-releasing factor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": null,
      "start_date": "1987-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004330"
    },
    {
      "nct_id": "NCT03547297",
      "title": "INSIGHT-AHP: A Study to Characterize the Prevalence of Acute Hepatic Porphyria (AHP) in Patients With Clinical Presentation and History Consistent With AHP",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Hepatic Porphyria",
        "Hepatic Porphyrias",
        "Acute Intermittent Porphyria (AIP)",
        "Hereditary Coproporphyria (HCP)",
        "Variegate Porphyria (VP)",
        "ALA Dehydratase Deficient Porphyria (ADP)",
        "Porphyria Acute"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Alnylam Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 212,
      "start_date": "2018-05-29",
      "completion_date": "2019-01-15",
      "has_results": false,
      "last_update_posted_date": "2019-01-25",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 12,
      "location_summary": "Pasadena, California • Jacksonville, Florida • Margate, Florida + 9 more",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Margate",
          "state": "Florida"
        },
        {
          "city": "Ames",
          "state": "Iowa"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03547297"
    },
    {
      "nct_id": "NCT01688895",
      "title": "Erythropoietic Protoporphyrias: Studies of the Natural History, Genotype-Phenotype Correlations, and Psychosocial Impact",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Erythropoietic Protoporphyria",
        "EPP",
        "X-Linked Protoporphyria",
        "XLP",
        "XLPP",
        "X-Linked Dominant Erythropoietic Protoporphyria",
        "XLEPP",
        "XLDP"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 150,
      "start_date": "2012-07",
      "completion_date": "2019-07-01",
      "has_results": true,
      "last_update_posted_date": "2020-04-17",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • San Francisco, California • New York, New York + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01688895"
    },
    {
      "nct_id": "NCT07603401",
      "title": "Expanded Access Program of Bitopertin For Participants With EPP or XLP",
      "overall_status": "AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Erythropoietic Protoporphyria (EPP)",
        "X-Linked Protoporphyria (XLP)"
      ],
      "interventions": [
        {
          "name": "DISC-1459",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Disc Medicine, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 4,
      "location_summary": "Miami, Florida • Boston, Massachusetts • New York, New York + 1 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07603401"
    },
    {
      "nct_id": "NCT00599326",
      "title": "Pilot Trial of Deferasirox in the Treatment of Porphyria Cutanea Tarda",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Porphyria Cutanea Tarda"
      ],
      "interventions": [
        {
          "name": "Deferasirox",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2008-01",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2014-02-10",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00599326"
    },
    {
      "nct_id": "NCT01880983",
      "title": "Mitoferrin-1 Expression in Erythropoietic Protoporphyria (Porphyria Rare Disease Clinical Research Consortium (RDCRC))",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Erythropoietic Protoporphyria (EPP)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2011-11",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-06-24",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01880983"
    },
    {
      "nct_id": "NCT02922413",
      "title": "Panhematin for Prevention of Acute Attacks of Porphyria",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Intermittent Porphyria",
        "Hereditary Coproporphyria",
        "Variegate Porphyria"
      ],
      "interventions": [
        {
          "name": "Hemin for injection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2015-10-30",
      "completion_date": "2023-12-27",
      "has_results": true,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922413"
    },
    {
      "nct_id": "NCT02452372",
      "title": "A Phase 1 Study of Givosiran (ALN-AS1) in Patients With Acute Intermittent Porphyria (AIP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Intermittent Porphyria"
      ],
      "interventions": [
        {
          "name": "givosiran (ALN-AS1)",
          "type": "DRUG"
        },
        {
          "name": "Sterile Normal Saline (0.9% NaCl)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alnylam Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 40,
      "start_date": "2015-05-06",
      "completion_date": "2017-09-06",
      "has_results": false,
      "last_update_posted_date": "2018-06-14",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • San Francisco, California • New York, New York + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02452372"
    },
    {
      "nct_id": "NCT01573754",
      "title": "Hydroxychloroquine and Phlebotomy for Treating Porphyria Cutanea Tarda",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Porphyria Cutanea Tarda"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Phlebotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 48,
      "start_date": "2006-03-21",
      "completion_date": "2021-07-06",
      "has_results": true,
      "last_update_posted_date": "2023-02-17",
      "last_synced_at": "2026-07-22T06:19:30.615Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01573754"
    }
  ]
}